Climate at a Glance

National Time Series

Choose from the options below and click "Plot" to create a time series graph.
Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.


Place mouse on axis and left-click to pan; wheel up/down for zoom in/out (or shift key+left-click).

Download: xml csv json
Dates Value Rank Departure From Mean (13.64")
1901-1905 Base Period
189511 - 189604 14.27" 7 0.63"
189611 - 189704 15.79" 9 2.15"
189711 - 189804 13.37" 4 -0.27"
189811 - 189904 13.47" 6 -0.17"
189911 - 190004 14.30" 8 0.66"
190011 - 190104 12.97" 3 -0.67"
190111 - 190204 12.81" 2 -0.83"
190211 - 190304 16.22" 10 2.58"
190311 - 190404 12.73" 1 -0.91"
190411 - 190504 13.45" 5 -0.19"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 21, 2019 from https://www.ncdc.noaa.gov/cag/